Well if you dont want to pay u can use some sponsors that give u bannerless free host if u advertise thier site..
heres my referal codes for those sponsors...
http://stats.adultrevenueservice.com/wmrefer.php?169317 (bestsexhost.net = thier free host.. no domain)
http://www.xswealth.com/ref=xsw161 (xspics.com = thier free host.. domains allowed and i personally like them..)
theres few others.. but havent tested them myself..